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以下為程序：
#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
sbit RED_A=P0^0;
sbit YELLOW_A=P0^1;
sbit GREEN_A=P0^2;
sbit RED_B=P0^3;
sbit YELLOW_B=P0^4;
sbit GREEN_B=P0^5;
uchar Flash_Count=0,Operation_Type=1;
void DelayMS(uint x)
{
uchar i;
while(x--) for(i=0;i<120;i++);
}
void Traffic_Light()
{
switch(Operation_Type)
{
case 1: RED_A=1;YELLOW_A=1;GREEN_A=0;
RED_B=0;YELLOW_B=1;GREEN_B=1;
DelayMS(2000);
Operation_Type=2;
break;
case 2: DelayMS(300);
YELLOW_A=~YELLOW_A;GREEN_A=1;
if(++Flash_Count!=10) return;
Flash_Count=0;
Operation_Type=3;
break;
case 3: RED_A=0;YELLOW_A=1;GREEN_A=1;
RED_B=1;YELLOW_B=1;GREEN_B=0;
DelayMS(2000);
Operation_Type=4;
break;
case 4: DelayMS(300);
YELLOW_B=~YELLOW_B;GREEN_B=1;
if(++Flash_Count!=10) return;
Flash_Count=0;
Operation_Type=1;
}
}
void main()
{
while(1)
Traffic_Light();
}
以下是仿真圖：
交通燈.PNG (46.98 KB, 下載次數(shù): 45)
下載附件
2019-11-8 11:34 上傳
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